Injection molding silicone rubber for making cellp...

Do you want to know the method of making cellphone keypad? In the following, I will show the molding method for you. Injection molding silicone rubber for making cellphone keypad are supplied in barrels. Because of its low viscosity, the silicone rubber can be pumped through pipelines into the vulcanization equipment. The two components are pumped through a static mixer by a metering pump. One of the silicone components contains the catalyst, typically platinum based. A coloring paste and other additives can also be added before the material enters the static mixer part. In the static mixer the components are thoroughly mixed and are transferred to the cooled metering part of the injection molding machine. The static mixer renders a very homogeneous silicone material that results in products that are not only very consistent throughout the part, but also from part to part. It can be in contrast to solid silicone rubber materials that are purchased pre-mixed and partially vulcanized.       By contrast, hard silicone rubbers are processed by transfer molding way and result in less material consistency and control, leading to higher part variability. furthermore, solid silicone rubber materials are processed at higher temperatures and need longer vulcanization time.   From the metering section of the injection molding machine, the compound is pushed through cooled sprue and runner systems into a heated cavity where the vulcanization takes place. The cold runner and general cooling cause no loss of material in the feed lines. The cooling allows production of liquid silicone rubber parts with nearly zero silicone material waste, no need for trimming operations and yielding significant material cost savings. Injection molding silicone rubbers for making cellphone keypad is supplied in a variety of containers, from tubes to 55 gallon drums. Because of their viscous nature, the injection molding silicone rubber is pumped at high pressures (500 - 5000 psi) based on the durometer of the silicone material. The silicone raw materials for cellphone keypad is shipped in two separate containers (known in the industry as a kit). The two compounds must be mixed in a 1 to 1 ratio, usually by way of a static mixer. Once the two components come together, the curing process begins at once. A chiller supplying cold water to jacketed fittings is used to retard the curing process prior to the materials introduction to the cellphone keypad mold.   Shenzhen Hong Ye Jie technology Co. Ltd supplies high-class two parts injection molding silicone rubber for making cellphone keypad in quantity. To make customer feel contented is the solemn mission that Hongye people are determined to pursue all along. If some information has interested you , or you just wanna get more details, then you can enter our cellphone entrance: http://m.szrl.net or our computer entrance: http://www.szrl.net. (FAX: 89948030 TEL: 086-755-89948019 086-755-89948006 EMAIL: info@szrl.net).